Question

7pe 12-x=4x-1=
7pe12-1pe 4=
x=4pe 12
x=
__________
b) 4pe 39-x=1pe 14=39x-y
4pe 39-1pe 13=
4pe 13- 1pe 13​

Answer 1

Explicație pas cu pas:

x=4/12=1/3

4/13-1/13=3/13